Power control system for electric arc or refining furnace elect

Details Power control system for electric arc or refining furnace elect Power control system for electric arc or refining furnace elect

1974-10-16

1976-04-20

Envall, Jr., R. N.

Electric heating

Microwave heating

Tunnel furnace

219134, H05B 7144

Patent

active

039521389

ABSTRACT:
A power control system is disclosed for an electric arc or refining furnace circuit to which is supplied power directly from an independent power generating unit or units installed independently of a publicly available power supply system or any other power generating unit. Depending upon the operating conditions of the furnace, the power supply is controlled by the suitable adjustment of the generator voltage or frequency or by the combination thereof based upon the relations V = K..PHI..n where V = generator voltage, K = constant, .PHI. = flux density and n = operating speed of a prime mover mechanically coupled to each generator, and f = p.n/60 where f = frequency, and p = number of poles in each generator.

REFERENCES:
patent: 3183294 (1965-05-01), Kasper
patent: 3743752 (1973-07-01), Furuhashi

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